Group 1 - The chemical index outperformed the oil index during the week of April 21-25, with the chemical raw materials index rising by 2.26%, chemical machinery index by 3.18%, pharmaceutical index by 3.29%, and pesticide and fertilizer index by 2.78% [1] - In contrast, the oil processing index fell by 0.48%, while the oil extraction index saw a slight increase of 0.01%, and the oil trading index dropped by 2.87% [1] - International crude oil prices experienced narrow fluctuations, with WTI settling at $63.02 per barrel, down 2.57% from April 17, and Brent at $66.87 per barrel, down 1.60% [1] Group 2 - The top five performing listed chemical companies in the Shanghai and Shenzhen markets included XianDa Co. with a rise of 49.54%, Zhongxin Fluorine Materials up by 40.89%, Weike Technology up by 33.65%, Zhenhua Co. up by 33.55%, and Xinhang New Materials up by 31.20% [2] - Conversely, the five companies with the largest declines were Jinlitai down by 43.85%, Guoli Technology down by 30.11%, ST Haiyue down by 21.88%, Fanli Technology down by 21.81%, and Yida Co. down by 21.64% [2]

文/梧桐晓编 4月27日，北交所新受理2家江苏公司的IPO申请：江苏永大化工机械股份有限公司（874495）、常州通宝光电股份有限公司（833137）的IPO申请。北交所今年至 今共受理7家IPO申请。 | 序号 | | 简称 | 注册地 | 保荐机构 | 律师事务所 | 会计师事务所 | 更新日期 受理日期 | | --- | --- | --- | --- | --- | --- | --- | --- | | 874495 | | 永大股份 | 江苏省 南通市 | 国泰海通证 券股份有限 | 国浩律师（上 致同会计师事务所 海）事务所 （特殊普通合伙） 海) 事务所 | | | | | | | | 公司 | | | | | 2 | 833137 | 通宝光电 | 江苏省 常州市 | | And Children Class of Children Children Company Concessful Collection of 务所（特殊普通合 2025-04-27 2025-04-27 | | | | | | | | 份有限公司 | 律师事务所 | 伏) | | 由于北交所网站尚未公布两家公司的招股 ...